Portable speaker



FIG. 1 is a front perspective view of the portable speaker of thepresent invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The ornamental design for a portable speaker, as shown and described.